Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://pixomot.ru/uplcv?utm_term=que+es+un+portafolio+de+evidencias+pdf PDF link annotation

  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16140f5544191b---65808443374.pdfIn PDF document text
  • http://fundacjahfg.pl/upload/file/bezowebukuxadeg.pdfIn PDF document text
  • http://ydchem.cn/filespath/files/20210910075333.pdfIn PDF document text
  • http://sjatupornservices.com/file_media/file_image/file/23851152751.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/61988638161.pdfIn PDF document text
  • http://status.cz/UserFiles/File/taxemanesokatazit.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/xuxisuvinejodaxas.pdfIn PDF document text
  • https://ubk-sad.de/azubi/userfiles/files/95111866254.pdfIn PDF document text
  • http://www.giuseppe.ru/ckfinder/userfiles/files/50713460479.pdfIn PDF document text
  • http://garantc.ru/userfiles/file/58154253467.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/1198d2fba20fc981c4e4beff591ca21d/31421670824.pdfIn PDF document text
  • https://theshamrockpublecco.it/file/sekabakoluduxunijonapim.pdfIn PDF document text
  • http://dyneco.kr/userData/board/file/71304466580.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16140669fda032---45968691891.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161398d5a0ec77---52457428915.pdfIn PDF document text
  • http://tmacfashion.com/ckfinder/userfiles/files/77559283827.pdfIn PDF document text
  • http://gizmakina.com/depo/sayfaresim/file/53004942712.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/lowijeguroxiseviduro.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/xoredowefomejalugis.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/besev.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/14886066618.pdfIn PDF document text
  • http://effekt-film.de/files/file/lalekizati.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/mesojalagutoj.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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